Berean Study Bible
Their southern border started at the bay on the southern tip of the Salt Sea,

King James Bible
And their south border was from the shore of the salt sea, from the bay that looketh southward:

American Standard Version
And their south border was from the uttermost part of the Salt Sea, from the bay that looketh southward;

Darby Bible Translation
And their southern border was from the end of the salt sea, from the tongue that turns southward;

Douay-Rheims Bible
Its beginning was from the top of the most salt sea, and from the bay thereof, that looketh to the south.

English Revised Version
And their south border was from the uttermost part of the Salt Sea, from the bay that looked southward:

Young's Literal Translation
and to them the south border is at the extremity of the salt sea, from the bay which is looking southward;